Improved Watermarking Scheme Using Discrete Cosine Transform and Schur Decomposition.
Henri Bruno RazafindradinaNicolas Raft RazafindrakotoPaul Auguste RandriamitantsoaPublished in: CoRR (2013)
Keyphrases
- discrete cosine transform
- watermarking scheme
- dct coefficients
- jpeg compression
- watermark detection
- image compression
- transform domain
- spread spectrum
- watermarking algorithm
- dct domain
- jpeg images
- watermarked image
- filter bank
- compressed images
- image blocks
- copyright protection
- error correction
- digital watermarking
- watermarking method
- watermark embedding
- digital images
- multimedia
- face recognition
- similarity measure
- selection algorithm
- spatial domain